H62.42

Otitis externa in other diseases classified elsewhere, left ear

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 12 never code together

Excludes1

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 4

Code first

Notes

Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Official Guidelines 1 names this code

ICD-10-CM Official Guidelines for Coding and Reporting, quoted in full. Published by CMS and NCHS; in the public domain.

I.C.8 Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95) names this code p.49

Reserved for future guideline expansion

Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 3 same parent — H62.4

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.